package com.daiyang.campus_lucky_draw.mapper;

import com.daiyang.campus_lucky_draw.mapper.DO.ActivityDO;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ActivityMapper {
    @Insert("insert into activity (activity_name, description, status)"
            + " values ( #{activityName}, #{description}, #{status})")
    @Options(useGeneratedKeys=true, keyProperty="id", keyColumn="id")
    int insert(ActivityDO activityDO);

    @Select("select count(1) from activity")
    int count();
    /**
     * 翻⻚查询
     *
     * @param offset
     * @param pageSize
     * @return
     */
    @Select("select * from activity order by id desc limit #{offset}, #{pageSize}")
    List<ActivityDO> queryActivitiesByPage(@Param("offset") Integer offset,
                                           @Param("pageSize") Integer pageSize);
    @Select("select * from activity where id = #{activityId}")
    ActivityDO selectById(@Param("activityId") Long activityId);

    @Update("update activity set status = #{status} where id = #{activityId}")
    void updateActivityStatus(@Param("activityId")Long activityId, @Param("status")String name);
}